| 20110098589 | COMBINATION OF INERT GAS REBREATHING AND MULTIPLE-BREATH WASH-OUT TECHNIQUES FOR DETERMINATION OF INDICES OF VENTILATION INHOMOGENEITY - The present invention discloses a method to determine the lung clearance index (LCI) or other indices of ventilation inhomogeneity of the lungs by combining two pulmonary gas exchange techniques; Inert gas rebreathing (IGR) is used for rapid wash-in of the inert tracer gas and for accurate determination of the functional residual capacity (FRC) by gas analysis alone. This is followed by multiple-breath wash-out (MBW) for determination of the cumulative expired volume (V | 04-28-2011 |
